I also have an odata account containing some queries written against the SO database. The most popular of these seems to be the My Money For Jam query which calculates how much reputation you get on old posts.
Q&A for professional and enthusiast programmers
Q&A for professional programmers interested in conceptual questions about software development
Q&A for computer enthusiasts and power users
Q&A for meta-discussion of the Stack Exchange family of Q&A websites
Q&A for Ubuntu users and developers
Q&A for power users of Apple hardware and software
Q&A for professional system and network administrators